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diff --git a/sound/oss/emu10k1/ecard.h b/sound/oss/emu10k1/ecard.h
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+/*
+ **********************************************************************
+ * ecard.h
+ * Copyright 1999, 2000 Creative Labs, Inc.
+ *
+ **********************************************************************
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+ * USA.
+ *
+ **********************************************************************
+ */
+
+#ifndef _ECARD_H
+#define _ECARD_H
+
+#include "8010.h"
+#include "hwaccess.h"
+#include <linux/init.h>
+
+/* In A1 Silicon, these bits are in the HC register */
+#define HOOKN_BIT (1L << 12)
+#define HANDN_BIT (1L << 11)
+#define PULSEN_BIT (1L << 10)
+
+#define EC_GDI1 (1 << 13)
+#define EC_GDI0 (1 << 14)
+
+#define EC_NUM_CONTROL_BITS 20
+
+#define EC_AC3_DATA_SELN 0x0001L
+#define EC_EE_DATA_SEL 0x0002L
+#define EC_EE_CNTRL_SELN 0x0004L
+#define EC_EECLK 0x0008L
+#define EC_EECS 0x0010L
+#define EC_EESDO 0x0020L
+#define EC_TRIM_CSN 0x0040L
+#define EC_TRIM_SCLK 0x0080L
+#define EC_TRIM_SDATA 0x0100L
+#define EC_TRIM_MUTEN 0x0200L
+#define EC_ADCCAL 0x0400L
+#define EC_ADCRSTN 0x0800L
+#define EC_DACCAL 0x1000L
+#define EC_DACMUTEN 0x2000L
+#define EC_LEDN 0x4000L
+
+#define EC_SPDIF0_SEL_SHIFT 15
+#define EC_SPDIF1_SEL_SHIFT 17
+#define EC_SPDIF0_SEL_MASK (0x3L << EC_SPDIF0_SEL_SHIFT)
+#define EC_SPDIF1_SEL_MASK (0x7L << EC_SPDIF1_SEL_SHIFT)
+#define EC_SPDIF0_SELECT(_x) (((_x) << EC_SPDIF0_SEL_SHIFT) & EC_SPDIF0_SEL_MASK)
+#define EC_SPDIF1_SELECT(_x) (((_x) << EC_SPDIF1_SEL_SHIFT) & EC_SPDIF1_SEL_MASK)
+#define EC_CURRENT_PROM_VERSION 0x01 /* Self-explanatory. This should
+ * be incremented any time the EEPROM's
+ * format is changed. */
+
+#define EC_EEPROM_SIZE 0x40 /* ECARD EEPROM has 64 16-bit words */
+
+/* Addresses for special values stored in to EEPROM */
+#define EC_PROM_VERSION_ADDR 0x20 /* Address of the current prom version */
+#define EC_BOARDREV0_ADDR 0x21 /* LSW of board rev */
+#define EC_BOARDREV1_ADDR 0x22 /* MSW of board rev */
+
+#define EC_LAST_PROMFILE_ADDR 0x2f
+
+#define EC_SERIALNUM_ADD 0x30 /* First word of serial number. The number
+ * can be up to 30 characters in length
+ * and is stored as a NULL-terminated
+ * ASCII string. Any unused bytes must be
+ * filled with zeros */
+#define EC_CHECKSUM_ADDR 0x3f /* Location at which checksum is stored */
+
+
+
+/* Most of this stuff is pretty self-evident. According to the hardware
+ * dudes, we need to leave the ADCCAL bit low in order to avoid a DC
+ * offset problem. Weird.
+ */
+#define EC_RAW_RUN_MODE (EC_DACMUTEN | EC_ADCRSTN | EC_TRIM_MUTEN | EC_TRIM_CSN)
+
+
+#define EC_DEFAULT_ADC_GAIN 0xC4C4
+#define EC_DEFAULT_SPDIF0_SEL 0x0
+#define EC_DEFAULT_SPDIF1_SEL 0x4
+
+#define HC_EA 0x01L
+
+/* ECARD state structure. This structure maintains the state
+ * for various portions of the ECARD's onboard hardware.
+ */
+struct ecard_state {
+ u32 control_bits;
+ u16 adc_gain;
+ u16 mux0_setting;
+ u16 mux1_setting;
+ u16 mux2_setting;
+};
+
+void emu10k1_ecard_init(struct emu10k1_card *) __devinit;
+
+#endif /* _ECARD_H */